Kirchzarten, Germany · Saturday, September 19, 2026

Fixed Distance 100K

Black Forest Ultra Trail Run 102

Race completed

102 km Distance

4,920 m Climbing

10.0 Grit · Elite / extreme

47.9593° N, 7.9503° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 48 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 16 hours 9:25 min/km average. Firm. You are racing the clock from the start. About average for a 100K. Measured against 226 races of the same distance. Cut-off calculator →

Typical conditions, September

Daytime high 18°C

Night low 8°C

Rainfall Showers likely

Daylight 12 h 26 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 702 m. Not a forecast.

Course notes

terrain This is a mountain course. Poles are highly recommended for the sustained climbs.
gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
nutrition For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

Gear for this race

Chosen for 102 km of trail with 4,920 m of ascent.

Trail Running Shoes 48 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition Past 102 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 4,920 m of ascent to walk up.
Headlamps A 16 h limit puts you out there after dark.

Asics

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

LEKI

Ultratrail FX.One

Ultra-light carbon folding poles (135g each) designed for mountain ultra racing.

$200 ★★★★★ 4.6

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

All gear guides →

Overview

The Black Forest Ultra Trail Run 102 in Kirchzarten, Germany, offers a challenging 102-kilometer trail race with 4920 meters of elevation gain. This results in 48.2 meters of climb per kilometer, placing it among the more demanding 100k races.

Runners face a time limit of 16 hours, which translates to a 9.4 minutes per kilometer cutoff pace. This cutoff is tighter than 61% of its 209 peer 100k races, leaving less margin for error or a slower pace. The entry fee for this fixed-distance event, organized by Black Forest ULTRA Bike UG, is 110 EUR.

Similar races

Other 100K trail ultras, closest in distance first.